Applied Bio Black Algaetrine Algaecide 32 Oz Bottle for Swimming Pools ECX1031PAK5 Stabilizes pH for consistent sanitizer

Stabilizes pH for consistent sanitizer performance: A steady pH minimizes swings that trigger extra dosing

but also is small enough to maneuver through fountains or spas

Low-profile form factor keeps a sleek deck footprint for safer use and easier cleaning

Gunite/plaster shield — protects the niche during plastering and gunite work

Treats up to 24

Applied Bio Black Algaetrine Algaecide 32 Oz Bottle for Swimming Pools ECX1031PAK5 Stabilizes pH for consistent sanitizerApplied Bio Black Algaetrine Algaecide 32 oz Bottle AppliedBio Black Algaetrine is a copper based algaecide engineered to eradicate stubborn black algae and other resistant forms in pools. Its penetrating agents reach deeply rooted cells for thorough kill and lasting prevention. The 32 oz (1 quart) bottle simplifies dosing and makes it practical for routine maintenance or algae events, helping restore crystal clear water faster than brushing alone.